Chronicle Protocol rebuilds oracle infrastructure for BlackRock’s BUIDL fund

RWA Signal Insight
U.S. TreasuriesChronicle Protocol has integrated its Proof of Asset verification layer into BlackRock’s USD Institutional Digital Liquidity Fund (BUIDL), marking a significant advancement in institutional transparency. By sourcing data directly from custodians and fund administrators, the oracle provides continuous, on-chain attestation of the fund's holdings, custody status, and valuation. This development is critical for the RWA market as it moves away from periodic, manual reporting toward real-time, independently verifiable audit trails. BUIDL, which has grown to approximately $2.5 billion in assets under management, now benefits from this granular verification infrastructure. As the world’s largest asset manager adopts this standard, it creates immense pressure for competitors to provide similar levels of transparency for their own tokenized products. While this integration enhances trust for institutional investors, it also introduces new dependencies on oracle infrastructure for multi-billion-dollar funds. Ultimately, this move signals a maturation of the tokenized asset sector, where data integrity is becoming as vital as the underlying financial assets themselves.
Key points
- Chronicle Protocol integrated Proof of Asset verification into BlackRock's $2.5 billion BUIDL fund.
- The technology provides continuous, on-chain verification of fund holdings, custody, and valuation.
- BlackRock manages BUIDL in partnership with Securitize to offer exposure to Treasuries and repos.
- Chronicle Labs has secured approximately $5 billion in total value across its various integrations.
Background
Chronicle Protocol is an oracle provider founded in 2017 that specializes in bridging real-world data to blockchain smart contracts. Unlike traditional oracles that primarily focus on price feeds, Chronicle’s Proof of Asset technology is designed to provide granular, continuous verification of off-chain asset custody and valuation. BlackRock's BUIDL fund, launched in March 2024, is a tokenized money market fund that provides institutional investors with exposure to U.S. Treasuries, repos, and cash equivalents on the blockchain.